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    <title>Document</title>
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    <script>
      var arr = [1, 2, 3, 4, 7, 5, 10, 13, 14, 16, 8]
      //遍历这个数组
      for (let j = 1; j < arr.length - 1; j++){
        for (let i = 0; i < arr.length - j; i++){
          if (arr[i] > arr[i + 1]) {
            var middle = arr[i]
            arr[i] = arr[i + 1]
            arr[i + 1] = middle
          }
        }
      }
      console.log(arr)
    </script>
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